Core i7 3770K review with Z77 -
PCH - The Platform Controller Hub Chipsets
The one thing that people grumble about the most with P67/Z68 is the relatively small number of available PCIe lanes (16) for graphics cards. That's fixed on Z77 with PCIe Gen 3.0. Ivy Bridge processors feature 16 PCIe 3.0 lanes to be used for graphics and/or other add-in PCI cards. All desktop chipsets have a single PCIe x16 device, the two Z7x chipsets add the option to use two devices at x8.
PCIe gen 3.0
The inclusion of PCI Express Gen 3 is great, but what does that boil down to? Well, simply put, PCI Express Gen 3 provides a 2X faster transfer rate than the previous generation, this delivers capabilities for next generation extreme gaming solutions.
PCI Express Gen 3 has twice the available bandwidth, 32GB/s, improved efficiency and compatibility and as such it will offer better performance for current and next gen PCI Express cards. Going from PCIe Gen 2 to Gen 3 doubles the bandwidth available to the add-on cards installed, from 500MB/s per lane to 1GB/s per lane.
So a Gen 3 PCI Express x16 slot is capable of offering 16GB/s (or 128Gbit/s) of bandwidth in each direction. That results in 32GB/sec bi-directional bandwidth. Obviously the hardware you use needs to be compatible.
LGA 1155 - Socket Compatibility
With Sandy Bridge we moved to socket LGA 1155 and for Ivy Bridge we remain at that socket. That's good news as we can use the processor on the series 6 chipset as well as the new series 7 chipset.
We stated this already, but chances are pretty good that your (for example) Z68 motherboard will get a BIOS update, making Ivy Bridge processors run 100% on your motherboard. That's good news if you like to save some money. Be aware though that you would lose PCIe Gen 3 and native USB 3.0 connectivity. However, chances are pretty good that you do not need PCIe Gen 3.0 just yet and that your motherboard supports USB 3.0 by way of a 3rd party controller. Then you are set to go...
There's another advantage to the socket compatibility, you do not need to purchase a new CPU cooler.
It should be abundantly clear by now but USB 3.0 is finally supported at chipset level by Intel, which should save motherboard vendors money when building Intel chipset based boards and hopefully making them overall less complicated to design. In addition to that, we will hopefully see better USB 3.0 performance. The chipset will host 4 USB 3.0 ports. Next to that 10 USB 2.0 ports are supported from the PCH.
Today an article covering the Core i7 4960X (Ivy Bridge-E) on a X79 based motherboard. Intel's most high-end processors just got updated with a high-end six-core processor series aimed at consumers.
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Core i7 3770K review with Z77
We review the Core i7 3770K Ivy bridge processors alongside Intel's Z77 motherboard. Will Ivy Bridge be the processor series everything you expected? Go find out in this extensive review here at Guru3D.